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Clinicopathlogic and immunohistochemical characteristics of triple negative invasive lobular carcinoma

Authors
 Ja Seung Koo  ;  WooHee Jung 
Citation
 Yonsei Medical Journal, Vol.52(1) : 89-97, 2011 
Journal Title
 Yonsei Medical Journal 
ISSN
 0513-5796 
Issue Date
2011
Abstract
PURPOSE: Our study is performed to find out clinicopathlogic and immunohistochemical (IHC) characteristics of triple negative invasive lobular carcinoma (ILC), as has been demonstrated in their invasive ductal counterparts. MATERIALS AND METHODS: Retrospective analysis of variable clinicopathlogic parameters and IHC stains for androgen receptor, estrogen receptor, progesterone receptor, p53, c-kit, galectin-3, cytokeratin 5 (CK5), CK5/6, vimentin, E-cadherin, epidermal growth factor receptor, and HER2 were performed in 117 cases of ILC. RESULTS: Eight cases (6.8%) were triple negative carcinoma (TNC), which showed higher incidence of high histologic grade than non-TNC (p = 0.019). Galectin-3 was expressed with higher incidence in tumor cells of TNC (62.5%) than those of non-TNC (7.3%) (p = 0.000). In contrast, galectin-3 was expressed with higher incidence in stromal cells of non-TNC (53.2%) than those of TNC (12.5%) (p = 0.029). CK5 and CK5/6 were not expressed in all ILCs. CONCLUSION: TNC in ILC showed distinct clinicopathologic and IHC characteristics such as higher histologic grade and increased expression of galectin-3, compared to non-TNC in ILC. TNC in ILC was less frequent and did not show CK5 and CK5/6 expression when compared to TNC in invasive ductal carcinoma.
Files in This Item:
T201102740.pdf Download
DOI
10.3349/ymj.2011.52.1.89
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
Yonsei Authors
Koo, Ja Seung(구자승) ORCID logo https://orcid.org/0000-0003-4546-4709
Jung, Woo Hee(정우희)
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URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/93670
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